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Finding the Fourth Proportional to 473,621.58, 709,820.01 and 354,357.18

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Solution

The fourth proportional to 473,621.58, 709,820.01 and 354,357.18 is: 531,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,621.58 : 709,820.01 = 354,357.18 : x
  2. Step 2: Convert to fraction form
    473,621.58/709,820.01 = 354,357.18/x
  3. Step 3: Cross multiply
    473,621.58x = 709,820.01 × 354,357.18
  4. Step 4: Simplify right side
    473,621.58x = 251,529,817,051.17
  5. Step 5: Solve for x
    x = 251,529,817,051.17/473,621.58
  6. Step 6: Final answer
    x = 531,077.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.